Ever since Version 3 of Mathematica, there has been rich support for arbitrary mathematical typesetting and layout. Underlying all that power was a so-called box language, ...

"Introduction to Manipulate" and "Introduction to Dynamic" provide most of the information you need to use Mathematica's interactive features accessible through the functions ...

SQLSelect selects and returns data from a database. An alternative, using raw SQL, is described in "Selecting Data with Raw SQL". If you find that the examples in this ...

Mathematica comes with all the tools and configuration so you can immediately carry out parallel computing. Note that, to take advantage of parallel computing it is often ...

GraphDistance[g, i, j] gives the distance from vertex i to vertex j in the graph g.

When fitting data to a model, it is often important to obtain additional results to compare the data to the fitted function. You may wish to check the significance of ...

DiagonalMatrix[list] gives a matrix with the elements of list on the leading diagonal, and 0 elsewhere. DiagonalMatrix[list, k] gives a matrix with the elements of list on ...

ExpIntegralE[n, z] gives the exponential integral function E_n (z).

Flatten[list] flattens out nested lists. Flatten[list, n] flattens to level n. Flatten[list, n, h] flattens subexpressions with head h. Flatten[list, {{s_11, s_12, ...}, ...

Floor[x] gives the greatest integer less than or equal to x. Floor[x, a] gives the greatest multiple of a less than or equal to x.